121216400

素因数分解:

$2^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4523}}^1$

素因数の和:4608

約数の個数: 60

約数和(自身を含む): 295634352

約数和(自身を除く): 174417952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 134, 200, 268, 335, 400, 536, 670, 1072, 1340, 1675, 2680, 3350, 4523, 5360, 6700, 9046, 13400, 18092, 22615, 26800, 36184, 45230, 72368, 90460, 113075, 180920, 226150, 303041, 361840, 452300, 606082, 904600, 1212164, 1515205, 1809200, 2424328, 3030410, 4848656, 6060820, 7576025, 12121640, 15152050, 24243280, 30304100, 60608200, 121216400]

約数ペア:

[(1, 121216400), (2, 60608200), (4, 30304100), (5, 24243280), (8, 15152050), (10, 12121640), (16, 7576025), (20, 6060820), (25, 4848656), (40, 3030410), (50, 2424328), (67, 1809200), (80, 1515205), (100, 1212164), (134, 904600), (200, 606082), (268, 452300), (335, 361840), (400, 303041), (536, 226150), (670, 180920), (1072, 113075), (1340, 90460), (1675, 72368), (2680, 45230), (3350, 36184), (4523, 26800), (5360, 22615), (6700, 18092), (9046, 13400)]